Lives and works in Sydney and Paris.

O'Callaghan has exhibited both Nationally and Internationally and selected solo exhibitions include "Somewhere", Galerie Schleicher + Lange, Paris, 2005; 'The Fall', The Cité International des Arts, Paris, 2004; "In The Halflight", Gallery 4A, Sydney, 2003; "The Fly and The Mountain", with Nell, The Art Gallery of New South Wales, Sydney, 2002; "On This Day It Was Cold", Room 35 Gallery, Sydney, 2002; "Vagari", Foundation and Centre for Contemporary Art, Prague, 2001. Selected group exhibitions include "Lake", Taipei Artist Village, Taipei, 2005; "Site (Unseen)" curated by Laura Murray Cree, Sherman Galleries, Sydney, 2004; "A Cut Across", curated by Megan Keating, Plymsoll Gallery, University of Tasmania, 2004; "Artbox Inc." curated by Danielle Johnson, Sherman Galleries, Sydney, 2003; 'Printroom', Witte de Witt, Rotterdam, 2003; 'That Was Now, This is Then' curated by Alexi Glass, Gitte Weise Gallery, Sydney, 2002. Mel was artist in residence at the Foundation and Centre for Contemporary Art, Prague, 2000; The Art Gallery of New South Wales Studio, The Cité Internationale des Arts, Paris, 2004. She has a Bachelor of Visual Arts (Honours) from Sydney Collage of the Arts, The University of Sydney and a Bachelor of Science Architecture, The University of Sydney, Australia, and is currently a candidate for a Masters in Fine Arts at The College of Fine Arts, The University of New South Wales. O'Callaghan is represented by Galerie Schleicher + Lange, Paris and Sherman Galleries, Sydney